Finding the Fourth Proportional to 5,769.72, 8,649.54 and 4,897.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,769.72 : 8,649.54 = 4,897.86 : x
2. Step 2: Convert to fraction form
   5,769.72/8,649.54 = 4,897.86/x
3. Step 3: Cross multiply
   5,769.72x = 8,649.54 × 4,897.86
4. Step 4: Simplify right side
   5,769.72x = 42,364,235.98
5. Step 5: Solve for x
   x = 42,364,235.98/5,769.72
6. Step 6: Final answer
   x = 7,342.51